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https://issues.apache.org/jira/browse/FLINK-7854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16208537#comment-16208537
]
ASF GitHub Bot commented on FLINK-7854:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/4846#discussion_r145268283
--- Diff:
flink-libraries/flink-table/src/test/scala/org/apache/flink/table/api/stream/sql/CorrelateTest.scala
---
@@ -75,20 +76,29 @@ class CorrelateTest extends TableTestBase {
util.verifySql(sqlQuery2, expected2)
}
- @Test
- def testLeftOuterJoin(): Unit = {
+ /**
+ * Due to the temporary restriction on lateral table outer join (see
FLINK-7854), this test can
+ * not be normally passed now. In the future, the left local predicates
should be pushed down.
+ */
+ @Test (expected = classOf[ValidationException])
+ def testLeftOuterJoinWithLeftLocalPredicates(): Unit = {
val util = streamTestUtil()
val func1 = new TableFunc1
util.addTable[(Int, Long, String)]("MyTable", 'a, 'b, 'c)
util.addFunction("func1", func1)
- val sqlQuery = "SELECT c, s FROM MyTable LEFT JOIN LATERAL
TABLE(func1(c)) AS T(s) ON TRUE"
--- End diff --
Keep the previous test and add the new test to
`validation.CorrelateValidationTest`
> Reject lateral table outer joins with predicates in SQL
> -------------------------------------------------------
>
> Key: FLINK-7854
> URL: https://issues.apache.org/jira/browse/FLINK-7854
> Project: Flink
> Issue Type: Sub-task
> Components: Table API & SQL
> Reporter: Xingcan Cui
> Assignee: Xingcan Cui
> Priority: Blocker
> Fix For: 1.4.0
>
>
> Due to CALCITE-2004, lateral table outer joins can not be normally executed.
> We should cover it up by rejecting join predicates temporarily, until the
> issue is fixed in Calcite.
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